package cn.edu.neosoft.sunbo509.finefood.Fragment;

import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;

import java.util.List;

import cn.edu.neosoft.sunbo509.finefood.Adapter.MyDividerItemDecoration;
import cn.edu.neosoft.sunbo509.finefood.Adapter.ShoplistAdapter;
import cn.edu.neosoft.sunbo509.finefood.BaseUrl;
import cn.edu.neosoft.sunbo509.finefood.Bean.ShoplistBean;
import cn.edu.neosoft.sunbo509.finefood.R;
import cn.edu.neosoft.sunbo509.finefood.Service.Service;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

/**
 * A simple {@link Fragment} subclass.
 * Activities that contain this fragment must implement the
 * {@link IndexFragment.OnFragmentInteractionListener} interface
 * to handle interaction events.
 * Use the {@link IndexFragment#newInstance} factory method to
 * create an instance of this fragment.
 */
public class IndexFragment extends Fragment {
    private View view;
    private RecyclerView sl_recycleview;
    private RecyclerView.LayoutManager sl_layoutmanager;
    private ShoplistAdapter sl_adapter;
    private List<ShoplistBean> list;
    private Retrofit retrofit;
    private String userid;
    private Service service;

    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;

    private OnFragmentInteractionListener mListener;

    public IndexFragment() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment IndexFragment.
     */
    // TODO: Rename and change types and number of parameters
    public static IndexFragment newInstance(String param1, String param2) {
        IndexFragment fragment = new IndexFragment();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }
    private void initRecyclerView() {
        sl_recycleview = (RecyclerView)view.findViewById(R.id.rv_shoplist);
        //创建默认的线性LayoutManager
        sl_layoutmanager = new LinearLayoutManager(getActivity());
        // 设置布局管理器
        sl_recycleview.setLayoutManager(sl_layoutmanager);
        //如果可以确定每个item的高度是固定的，设置这个选项可以提高性能
        sl_recycleview.setHasFixedSize(true);
        //创建并设置Adapter
        sl_adapter = new ShoplistAdapter(getActivity());
        sl_recycleview.setAdapter(sl_adapter);
        sl_recycleview.addItemDecoration(new MyDividerItemDecoration(getActivity(),LinearLayoutManager.VERTICAL));
    }
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        view=inflater.inflate(R.layout.fragment_index, container, false);
        Bundle bundle=getArguments();
        userid=bundle.getString("userid");//接受从MainActivity传递来的userid
        initRecyclerView();
        getDate();
        return view;

    }

    public void getDate(){
       retrofit=new Retrofit.Builder()
               .baseUrl(BaseUrl.BASEURL)
               .addConverterFactory(GsonConverterFactory.create())
               .build();
        service=retrofit.create(Service.class);
        Call<List<ShoplistBean>> call=service.getShop();
        call.enqueue(new Callback<List<ShoplistBean>>() {
            @Override
            public void onResponse(Call<List<ShoplistBean>> call, Response<List<ShoplistBean>> response) {
                list=response.body();
                sl_adapter.setList(list);
                sl_adapter.setUserid(userid);//传递userid到shoplistAdapter
            }

            @Override
            public void onFailure(Call<List<ShoplistBean>> call, Throwable t) {
                Toast.makeText(getActivity(), "异常", Toast.LENGTH_SHORT).show();
            }
        });

    }

    // TODO: Rename method, update argument and hook method into UI event
    public void onButtonPressed(Uri uri) {
        if (mListener != null) {
            mListener.onFragmentInteraction(uri);
        }
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof OnFragmentInteractionListener) {
            mListener = (OnFragmentInteractionListener) context;
        } else {
            throw new RuntimeException(context.toString()
                    + " must implement OnFragmentInteractionListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    /**
     * This interface must be implemented by activities that contain this
     * fragment to allow an interaction in this fragment to be communicated
     * to the activity and potentially other fragments contained in that
     * activity.
     * <p>
     * See the Android Training lesson <a href=
     * "http://developer.android.com/training/basics/fragments/communicating.html"
     * >Communicating with Other Fragments</a> for more information.
     */
    public interface OnFragmentInteractionListener {
        // TODO: Update argument type and name
        void onFragmentInteraction(Uri uri);
    }
}
